5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester

Base Information

• Chemical Name: 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester
• CAS No.: 887276-80-4
• Molecular Formula: C₁₆H₂₁NO₅S
• Molecular Weight: 339.412
• Mol file: 887276-80-4.mol

Synonyms:5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester

Chemical Property of 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester

There total 3 articles about 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 73.0%

methyl 6-oxohexanoate (6654-36-0) + [(p-methylphenyl)sulfonylmethyl]isonitrile (38622-91-2,36635-61-7) → 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester (887276-80-4)

Guidance literature:

With sodium cyanide; In ethanol; for 0.5h;

DOI:10.1021/jm0504353

Reference yield:

hexahydro-2H-oxepin-2-one (502-44-3,24980-41-4,80137-66-2) → 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester (887276-80-4)

Guidance literature:

Multi-step reaction with 3 steps

1: 62 percent / H₂SO₄ / 16 h / Heating

2: 82 percent / oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / -60 - 20 °C

3: 73 percent / NaCN / ethanol / 0.5 h

With oxalyl dichloride; sulfuric acid; sodium cyanide; dimethyl sulfoxide; triethylamine; In ethanol; dichloromethane; 2: Swern oxidation;

DOI:10.1021/jm0504353

Reference yield:

methyl 6-hydroxycaproate (4547-43-7) → 5-[4-(toluene-4-sulfonyl)-4,5-dihydrooxazol-5-yl]pentanoic acid methyl ester (887276-80-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 82 percent / oxalyl chloride; DMSO; Et₃N / CH₂Cl₂ / -60 - 20 °C

2: 73 percent / NaCN / ethanol / 0.5 h

With oxalyl dichloride; sodium cyanide; dimethyl sulfoxide; triethylamine; In ethanol; dichloromethane; 1: Swern oxidation;

DOI:10.1021/jm0504353

upstream raw materials:

methyl 6-oxohexanoate

[(p-methylphenyl)sulfonylmethyl]isonitrile

hexahydro-2H-oxepin-2-one

methyl 6-hydroxycaproate

Downstream raw materials:

5-(1-trityl-1H-imidazol-4-yl)pentan-1-ol

5-(1-trityl-1H-imidazol-4-yl)pentanal

ethyl 5-<1-(triphenylmethyl)-1H-imidazol-4-yl>-1-pentanoate

cycloheptyl-[5-(1-trityl-1H-imidazol-4-yl)pentyl]amine